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3267-41-2

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3267-41-2 Structure

3267-41-2 Structure
IdentificationBack Directory
[Name]

5-[(3-Carboxy-2-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid
[CAS]

3267-41-2
[Synonyms]

C.I.43860
Diamond Violet B
Mordant Violet 27
C.I.Mordant Violet 27
C.I.Mordant Violet 27:C.I.43860
5-[bis(3-carboxy-4-hydroxy-5-methylphenyl)methylidene]-3-methyl-6-oxocyclohexa-1,3-diene-1-carboxylic acid
5-[(3-Carboxy-2-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid
Benzoic acid, 3-[(3-carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-5-methyl-
[Molecular Formula]

C25H20O9
[MOL File]

3267-41-2.mol
[Molecular Weight]

464.42
Chemical PropertiesBack Directory
[Boiling point ]

749.8±60.0 °C(Predicted)
[density ]

1.515±0.06 g/cm3(Predicted)
[pka]

1.82±0.20(Predicted)
Safety DataBack Directory
[HS Code ]

2918990090
Hazard InformationBack Directory
[Preparation]

Formaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, its product in Nitrosylsulfuric acid with 5-Methylsalicylic acid common oxidation.
[Properties and Applications]

purple. Soluble in water for olive, soluble in ethanol for red purple. In concentrated sulfuric acid for red orange, after dilution is purple. Dye aqueous solution to join sodium hydroxide as magenta to purple, and precipitation.
Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 4 4 4 4-5 4 5
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